DSS has several calculators that are useful to market researchers.
- Sample Size: Sample size calculators allow researchers to determine the sample size needed on a study whether looking at averages or percentages, one sample or two.
- Sampling Error: Once a study has been conducted, the Sampling Error calculator will indicate the sampling error for a particular confidence level.
- Statistical Power: The Statistical Power tools calculate beta error or statistical power for a given sample or samples. Both one-tail and two-tail tests can be performed on averages and percentage values.